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Discussion Starter #1
I am not trying to start an argument. I am looking for knowledgeable answers and factual data. Right now my car has a 76mm master power turbo with a 3" downpipe running to a 3"-2.5" y with 2.5" magnaflow tail pipes and magnaflow mufflers. I am entertaining the idea of going to a pt88 which has a 4" exhaust vband flange. As far as flow is concerned, will I need a 4" down pipe and to run it all the way to my tail pipes or what? Can I adapt the 4" down to 3" and use my existing down pipe. Right now I don't plan on pushing any more boost. Probably less boost honestly as I am limited to a certain hp number. Looking for some real world knowledge here on this.
 

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What is your engine combination? And how much power are you looking to make?
 

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Discussion Starter #3
What is your engine combination? And how much power are you looking to make?
Ford gt headed 5.4. I will probably be cutting it off at 700 right now as I am still on the stock gt500 motor. But eventually will be going for 1000+. I know it will be necessary then. I guess my thing is just either do I do it now or do it later. Lol.
 
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